Unit 12, Nanjinguang Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., Ch: Tremadoc, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Hyodus sp.
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Paradrepanodus sp.
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Pararetroclitendoceras sp.
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Sanxignathus sp.
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Striaconus sp.
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Pterobranchia
- Dendroidea
- Acanthograptidae
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Dictyonema sp.
Hall 1851
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Conodonta
- Paraconodontida
- Westergaardodinidae
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Chosonodina sp.
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus sp.
Lindstrom 1971
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Protopanderodus sp.
Lindström 1971
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Glyptoconus sp.
Kennedy 1980
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| replaced by Colaptoconus | |||||||
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Conodonta
- Protopanderodontida
- Clavohamulidae
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Clavohamulus sp.
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Conodonta
- Protopanderodontida
- Acanthodontidae
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Ulrichodina sp.
Furnish 1938
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Acanthodus sp.
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Conodonta
- Protopanderodontida
- Oneotodontidae
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Semiacontiodus sp.
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Conodonta
- Proconodontida
- Cordylodontidae
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Cordylodus sp.
Pander 1856
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Cambrooistodus sp.
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Paterinata
- Paterinida
- Paterinidae
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Iphidella sp.
Walcott 1905
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| synonym of Micromitra | |||||||
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Strophomenata
- Billingsellida
- Polytoechiidae
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Tritoechia sp.
Ulrich and Cooper 1936
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Rhynchonellata
- Pentamerida
- Tetralobulidae
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Punctolira sp.
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Rhynchonellata
- Pentamerida
- Clarkellidae
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Stichotrophia sp.
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Cephalopoda
- Endocerida
- Proterocameroceratidae
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Escharendoceras sp.
Flower 1956
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Retroclitendoceras sp.
Flower 1956
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Ostracoda
- Palaeocopida
- Leperditellidae
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Leperditella sp.
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Trilobita
- Corynexochida
- Leiostegiidae
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Szechuanella sp.
Lu 1962
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| synonym of Pseudocalymene | |||||||
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Trilobita
- Asaphida
- Hungaiidae
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Dactylocephalus sp.
Hsu 1948
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Trilobita
- Asaphida
- Asaphidae
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Asaphellus sp.
Callaway 1877
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| see common names | |||||||
Geography
| Country: | China | State/province: | Hubei |
| Coordinates: | 33.0° North, 111.0° East (view map) | ||
| Paleocoordinates: | 15.7° North, 145.5° East | ||
| Geographic resolution: | local area |
Time
| 10 m.y. bin: | Cambrian-Ordovician | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Tremadoc |
| Key time interval: | Tremadoc | ||
| Age range of interval: | 485.00000 - 477.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Nanjinguan | Member: | Lower |
| Local section: | 12 |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "carbonate" |
| Secondary lithology: | dolomite |
| Environment: | shallow subtidal indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 4738 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-08-18 09:15:18 | Last modified: | 2001-08-16 13:10:33 |
| Access level: | the public | Released: | 2000-11-20 13:53:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 287. | X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall] |